Internal Combustion Engines In compression ignition engines, swirl denotes a Radial motion of the gases in the chamber Rotary motion of the gases in the chamber None of the listed here Haphazard motion of the gases in the chamber Radial motion of the gases in the chamber Rotary motion of the gases in the chamber None of the listed here Haphazard motion of the gases in the chamber ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If V₁ is the jet velocity and V₀ is the vehicle velocity, then the propulsive efficiency of a rocket is given by (V₀/V₁)/ [1 + (V₀/V₁)²] [2(V₀/V₁)]/ [1 + (V₀/V₁)²] V₁/(V₀ + V₁) V₀/(V₀ + V₁) (V₀/V₁)/ [1 + (V₀/V₁)²] [2(V₀/V₁)]/ [1 + (V₀/V₁)²] V₁/(V₀ + V₁) V₀/(V₀ + V₁) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by ηm = I.P/B.P None of these ηm = (B.P × I.P)/100 ηm = B.P/I.P ηm = I.P/B.P None of these ηm = (B.P × I.P)/100 ηm = B.P/I.P ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The specific fuel consumption per B.P. hour for a petrol engine is about 0.3 kg 0.35 kg 0.25 kg 0.2 kg 0.3 kg 0.35 kg 0.25 kg 0.2 kg ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following is false statement? Detonation Piston ring and cylinder wear Oil sludge in the engine crank case Formation of hard coating on piston skirts Detonation Piston ring and cylinder wear Oil sludge in the engine crank case Formation of hard coating on piston skirts ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking in spark ignition engines can be reduced by None of these Retarding the spark Increasing the engine speed Both (A) and (B) None of these Retarding the spark Increasing the engine speed Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
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